Peperomia arctebaccata is a species of epiphyte in the genus Peperomia that is endemic in Peru. It grows on wet tropical biomes. Its conservation status is Threatened.
The type specimen were collected near Chanchamayo Valley, Peru, at an altitude of .
Peperomia arctebaccata is a moderately small, densely tufted herb that roots closely along its stems, with a dichotomous branching pattern and a smooth surface. Its stems are 2 mm thick, firm, and somewhat scaly with exfoliating bark. The leaves are opposite or arranged in whorls of three or four, elliptical in shape with a blunt, slightly mucronate tip. They are scarcely 10 mm long and 5 mm wide, opaque, very thick, and have revolute margins. The undersides appear brownish when dried, with no visible nerves. Petioles are only 1 to 2 mm long. The flower spikes are terminal, 30 to 50 mm long and 2 mm thick, densely flowered, with each flower set into deep, oblong pits. They are borne on a thick peduncle 5 to 10 mm long. The floral bracts are minute, rounded, and peltate. The berries are extremely numerous, each with a short pseudocupula and a terminal stigma.
It was described in 1936 by William Trelease in ', from specimens collected by Carlos Schunke. It got its name from the description of the type specimen.
It is endemic in Peru. It grows on a epiphyte environment and is a herb. It grows on wet tropical biomes.
This species is assessed as Threatened, in a preliminary report.